3025870681 has 4 divisors (see below), whose sum is σ = 3203863092. Its totient is φ = 2847878272.

The previous prime is 3025870667. The next prime is 3025870703. The reversal of 3025870681 is 1860785203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1860785203 = 29 ⋅64165007.

It can be written as a sum of positive squares in 2 ways, for example, as 1366041600 + 1659829081 = 36960^2 + 40741^2 .

It is a cyclic number.

It is not a de Polignac number, because 3025870681 - 2²³ = 3017482073 is a prime.

It is a super-2 number, since 2×3025870681² = 18311786756270807522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3025870381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88996180 + ... + 88996213.

It is an arithmetic number, because the mean of its divisors is an integer number (800965773).

Almost surely, 2^3025870681 is an apocalyptic number.

It is an amenable number.

3025870681 is a deficient number, since it is larger than the sum of its proper divisors (177992411).

3025870681 is a wasteful number, since it uses less digits than its factorization.

3025870681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177992410.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 3025870681 is about 55007.9147123394. The cubic root of 3025870681 is about 1446.3834853549.

The spelling of 3025870681 in words is "three billion, twenty-five million, eight hundred seventy thousand, six hundred eighty-one".